Form SC 13G DNB FINANCIAL CORP /PA/ Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 12, 2019 10:03AM
Form SC 13G/A DNB FINANCIAL CORP /PA/ Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 8, 2018 11:58AM
Form SC 13G/A DNB FINANCIAL CORP /PA/ Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 9, 2017 10:13AM
Form SC 13G/A DNB FINANCIAL CORP /PA/ Filed by: WELLINGTON MANAGEMENT GROUP LLP Feb 11, 2016 11:24AM